It seems that HTC is prepping it self for the new Windows Phone 7 Tango update which is due out in a few months (From news around the Internet along with the newly approaching Lumia 900) with a small firmware update hitting unlocked devices recently.
Tag: WP7AU
Apr 27
Lumia 800 12072 Firmware Update Live
Since the halting of the 12070 Battery update in early April it has been a few weeks of Lumia users being hit with poor battery performance dragging on for most of April which as of today is now a thing of the past.